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Topic Review (Newest First)

04-20-2010 06:13 PM

BadIdea

Quote:

Originally Posted by Schroeder02

Just put SRF in mine last night

How many days did you get out of your XP10, I had 8 anf got maybe 8 to 10 days and a few thousend road miles

I'd Expect the same with 10's. I lost a lot of track time last year so my pads are still from '08. Rear wheel bearing, coolant leak, bad pcv valve, and finally the orp at daytona.

What separates srf from the others is wet boiling point.

Posted via FF Mobile

04-16-2010 07:36 PM

Schroeder02

Quote:

Originally Posted by BadIdea

That is your experience with Hawk. I have used carbotech xp10's in the winter and they work just fine. If it's a daily driver I could see putting OEM pads on if the car won't see the track for 5 months but otherwise just leave the carbotech's on. Also if step up to castrol srf you only need to bleed the brakes once or twice a year.

Just put SRF in mine last night

How many days did you get out of your XP10, I had 8 anf got maybe 8 to 10 days and a few thousend road miles

04-16-2010 12:45 PM

Geezer

Castrol SRF is good stuff....it better be for 75.00 a liter!!!!! It really doesn't make much sense for a dual purpose car unless you're Richie Rich and then its quite likely overkill as well. There's plenty of high quality brake fluids available for a heck of a lot less money. Castrol SRF attracts moisture (a brake fluids primary contaminant) at the same rate as just about any other fluid. Racers love and use it for its astronomically high boiling temps and stability......when they can afford it.

04-16-2010 11:47 AM

BadIdea

Quote:

For example, brakes that work well on the track are rarely very good for the street. Hawk HP's are decent for lapping (I would want something much better for all out racing)but their initial bite on a cool morning on the way to work can be flat out scary in a panic stop. Trying to find a performance brake with a really wide temperature operating range (very low/very high) would be the ideal, but admittedly is hard to come by although not impossible and will be expensive when you do find them.

That is your experience with Hawk. I have used carbotech xp10's in the winter and they work just fine. If it's a daily driver I could see putting OEM pads on if the car won't see the track for 5 months but otherwise just leave the carbotech's on. Also if step up to castrol srf you only need to bleed the brakes once or twice a year.

04-10-2010 08:03 AM

Schroeder02

I daily drove my car with Carbotech AX6 pads for several year, the pads saw both track and street time. The AX6 seemed like a very good brake pad for a novice to Intermediate driver, but you do have to understand they squeal and dust like mad. I guess I’m lazy but I never liked changing pads at that track, but now that my car is a weekend driver and I have moved up to the higher levels I use a more aggressive pad (Xp8’s and next xp10’s) I agree you wouldn’t want to street drive daily not because they don’t work (because I have driven them in the winter) but they where extremely fast and at 175 a pair you don’t really want to be chancing them every 6 months.

I do think you can have a summer/track tire, I also run the Dunlops I left them on my car from early spring to late fall and the worked very well I never had any issue of chunking from running them on the track, they just wore much faster doing both.

Maybe the title of the thread is a little miss leading it’s really HPD Car set up, and I think you can have a car set up very nice for double duty but like geezer said your building a compromise when comparing it to a race car. But you can build a very streetable HPD car.

Your on the right track with yours I had a friend that rand the very suspension your installing on your car he was able to win the EMRA time trial series one year. He was very very fast driver and held a race license, and felt the dynamic Kid was a good way to go on a street car

04-10-2010 01:11 AM

mozerman

I would do as Geezer suggests and get a set of track tires and a set of track pads. Switch them out at the track. That way you can have junk auto zone pads for street and bada$$ race pads for the track. I gotten a coupe good deals on used tires. the best was free rims and free spec miata tires. I would find a good spring rate and get decent dampers that are properly damped to that spring rate. Don't worry about adjustable dampers. I have a VW jetta that I used to have as a daily racer. It had decent street pads with huge brake rotors. only glazed the brakes twice out of 12 track days. Just keep the car reliable. Spend more money on track days than performance parts. I spent $1500 on the car and $1800 on trackdays so far.

04-08-2010 09:29 PM

apex214

I agree with geezer that a combo track and street car can be a compromise. Keep in mind the type of track use intended though. A RACE car that's street driven just isn't likely to make any sense these days. When I started getting involved with SCCA it was with friends running Improved Touring and Showroom Stock classes back in the late '80s/early '90s, when you could actually be regionally competitive with a car you drove to the track..stuffed full of race tires and tools of course!

I do not agree with many of the remarks regarding suspension. Stiffer is not always better, period. There's no such rule. (The same applies to ride height: lower does not automatically equal an improvement in handling. A particular car's suspension geometry has it's quirks, strengths, weaknesses etc). Without any experience with a particular spring/shock set-up, claiming it's "too soft" is just empty commentary. Adjustable shocks are not practical for most people, even including amateur "racers" (as opposed to track-day folks), since (aside from the extra cost of the good multi-adjustable ones like Penske) it takes quite a bit of experience, knowledge and track time to properly evaluate/test setting combinations to optimize a spring/shock combo for a given car on a given track. The FRPP Spec Focus suspension IS streetable, but it depends on the quality of the streets in your neighborhood. Around here the pothole population is like never before this past winter, and I am about to replace a floppy front strut that suffered a few hard smacks.

Brake component choice again depends on intended use. I am not a racer, my car gets me to work every day, and when it's on track for HPDE or time trial use I am conservative with the brakes, not hammering them at 10/10ths every single lap. Quality brake fluid (Ate) and lots of (stock SVT) pad material works for me so far.

Tires, tires, tires...I have never run my street tires on track. Geezer is dead on target with the remarks about the total destruction that full tread tires can suffer. If your track day happens to be wet, maybe use full tread to get some experience pushing under such conditions. I have always had a set of track wheels/tires, sometimes true R-compound stickies, and currently Dunlop Direzza "relatively sticky street" tires. I went the cheaper route with the Dunlops this time, but can not complain really. For me, lap times are less important than consistency from the tire grip AND the driver.

Bottom line appears to be: What are your goals and intended/expected use of your car?

I live with compromise every 20 mile round trip commute, waiting for those all too few days on track

04-07-2010 02:40 PM

MattyM3CSL

Completely agree with what you said Geezer. Im by no means trying to build a race car. I just want a nice streetable setup that will perform well at HPDE’s.

I ended up going with the latest “dynamic” FRPP kit. I had to cancel the Konis. The Koni kit was my first choice, but unfortunately they were on back order and it was uncertain for how long.

I will also keep in mind what you said about the HP+ and there intail bite when cold. I was hoping they would be ok a low (street) temps.

04-06-2010 10:45 AM

Geezer

Please accept this as "constructive" criticism. I think its very hard putting together a dual purpose track car and daily driver. You have to accept that it will be a compromise at best.

For example, brakes that work well on the track are rarely very good for the street. Hawk HP's are decent for lapping (I would want something much better for all out racing)but their initial bite on a cool morning on the way to work can be flat out scary in a panic stop. Trying to find a performance brake with a really wide temperature operating range (very low/very high) would be the ideal, but admittedly is hard to come by although not impossible and will be expensive when you do find them.

Regarding suspension, we all know that stiffer springs are the key to a good track car. Its not unusual to see 500 to 700 lb/in springs and sometimes more on a serious track based car. You also need some serious shocks to dampen them like Penske's, Koni race series, etc. Naturally these spring rates and shocks would be unacceptable for a DD. So once again a compromise is necessary. The downside to the FRPP springs as I see it is that no one knows the spring rates, or if they do, it's not shared with us mortals. If you're into Spec Focus racing then that's fine as it's more or less an equal playing field. In reality, I bet they are too soft. For a dual purpose car, Koni Sports and H&R race springs may be a better compromise. The adjustable shock in this case can go a long ways in improving the dual purpose being sought.

As for tires.......as dumb as it sounds, it makes far more economic sense to have a set for the street and another set for the track. Full tread depth street tires will eventually rip themselves to pieces (chunk) on the track. That makes the tire unusable for the street and track. A "shaved" tire will actually last much longer on a track, but then again, it makes a lousy alternative for the street. I believe a set of used race tires is actually better than using a set of really expensive full depth street tires from both an economic and performance standpoint. In summary, there really isn't any cheap way of having a "good" track "and" street car. If it were me, I'd allocate my budget on tires first, brakes second, and suspension third.

04-05-2010 09:54 AM

MattyM3CSL

Quote:

Originally Posted by apex214

Hey I could be wrong...Capaldi could be behind the times with their website. I just hope not! :D

Big oops on my part! I thought I had bought the M-3000-ZXM. Looks from my records it was the M-5560-ZXM springs, and M-18000-ZXM dampers. And...yes the price is around $600 or so plus shipping. The M-3000-ZXM is I think the original spring and damper set, but those were the shocks that had some issues as well, leaks I think.

Thanks for sharing your findings .... I got in touch with Tousley Ford last Fri and was told the same thing. I actually placed an order with tirerack and bought the Koni kit. Unfortunately, the kit is on back order, and its looking like is may be a while before they are back in stock…..

I might cancel the order and go with the FRPP kit again…

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